Medical Imaging Quiz

What is the definition of X-ray?

• B. Electromagnetic radiation that transports energy through space

• C. A type of mechanical wave

• A. A type of non-ionizing radiation

• D. A form of ultraviolet light

Which interaction of X-rays with matter results in a reduction of radiation intensity?

• D. Rayleigh Scattering

• A. Absorption

• B. Photoelectric Effect

• C. Compton Scattering

What is the primary mechanism of X-ray generation in an X-ray tube?

• A. Photoelectric Effect

• B. Compton Scattering

• C. Bremsstrahlung Radiation

• D. Rayleigh Scattering

Which of the following is a clinical application of X-ray imaging?

• A. Echocardiography

• D. Electroencephalography

• B. Mammography

• C. Endoscopy

What is the purpose of an X-ray filter in medical imaging?

• B. To remove high energy X-rays

• D. To absorb low energy photons

• A. To increase patient dose

• C. To reduce image quality

Which material appears as bright white on X-ray images due to its high absorption of X-rays?

• A. Air

• D. Metal

• B. Fat

• C. Soft Tissue

How can image contrast in X-ray machines be controlled?

• D. By increasing the exposure time

• A. By changing the patient's position

• C. By adjusting the X-ray tube current or voltage

• B. By using contrast agents

What is the primary reason for minimizing radiation exposure in X-ray imaging?

• A. To improve image quality

• D. To speed up the imaging process

• B. To reduce genetic alterations

• C. To increase patient comfort

Which type of X-ray interaction results in the emission of a photon of characteristic radiation?

• D. Rayleigh Scattering

• C. Compton Scattering

• B. Photoelectric Effect

• A. Absorption

What is the main purpose of an image intensifier in medical imaging?

• A. To reduce image contrast

• B. To amplify the X-ray beam

• C. To absorb X-ray photons

• D. To decrease patient dose